A fan blade Spins at 3,000 revolutions per minute. How
many degrees does it rotate in one second?

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

As microwave light travels through a liquid, it moves at a speed of 2.2 x 108 m/s. if the frequency of this light wave is 1.1 x 108 hz, what is the wavelength of this microwave?